At least some content in this article is derived from information featured in Harry Potter: Hogwarts Mystery. Spoilers will be present within the article.
Behind the scenes
- It is unclear if Gamp formulated the law or if it was simply named after this individual.
- Harry Potter and the Deathly Hallows (First mentioned)
- Harry Potter: Hogwarts Mystery (Mentioned only)
Notes and references
- Harry Potter and the Deathly Hallows, Chapter 15 (The Goblin's Revenge)
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